Katharine Hayhoe is an atmospheric scientist whose research focuses on understanding what climate change means for people and the places where we live. She is an endowed professor of public policy and law in the Dept. of Political Science at Texas Tech University, she hosts the PBS digital series Global Weirding, and she has been named one of TIME's 100 Most Influential People, the United Nations Champion of the Environment, and the World Evangelical Alliance’s Climate Ambassador.